TD-24/2000-31.5(310mm) Solid sealed pole arc extinguishing chamber-[Quotation-data]--Shanghai Huabang Industrial Business-www.91way.com

Product name：

TD-24/2000-31.5(310mm) Solid sealed pole arc extinguishing chamber

specification：

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Category：

spare parts and accessories -- Ceramic arc extinguishing chamber

Price：

factory price

Brand：

Shanghai

Place of Origin：

China

Available Quantity：

batch

delivery cycle：

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Shanghai Beiyuan Industry and Trade Co.,Ltd
+86-21-66770508
+86-139101609058

91way@163.com
13916500500(Wechat)

TD-24/2000-31.5(310mm) Solid sealed pole arc extinguishing chamberDetailed product description：

Table of Dimensions and Technical Parameters for Sealed Pole 2000-31.5KA

Main technical parameters
serial number	name	unit	Numerical value	Remarks
one	rated voltage	kV	twelve
two	rated current	A	two thousand
three	rated frequency	HZ	fifty
four	Short term (1-minute) power frequency withstand voltage	kV	forty-eight
five	Lightning impulse withstand voltage (peak value)	kV	eighty-five
six	Rated short-circuit breaking current	kA	thirty-one point five
seven	Rated peak withstand current	kA	eighty
eight	Rated short-circuit closing current	kA	eighty
nine	Rated short-time withstand current (4 seconds)	kA	thirty-one point five
ten	Rated breaking current of a single capacitor bank	A	six hundred and thirty
eleven	Rated back-to-back capacitor bank breaking current	A	four hundred
twelve	Rated short-circuit breaking current breaking times	time	thirty
thirteen	mechanical life	time	ten thousand
fourteen	Circuit resistance under rated contact pressure	μΩ	≤12
fifteen	Contact self closing force	N	100±50
sixteen	Contact reaction force at rated opening distance	N	200±50
seventeen	Allowable wear thickness of contacts	mm	three
eighteen	Gas pressure inside the vacuum arc extinguishing chamber	Pa	≤1.33×10-3
nineteen	Quality of the sports section	kg
twenty	Allowable storage period	year	twenty
twenty-one	Rated operating sequence	O-0.3s-CO-180s-CO
Mechanical parameters that the supporting vacuum switch equipment should meet
one	contact gap	mm	11±1
two	Contact stroke of contacts	mm	3.5±0.5
three	Rated contact pressure	N	3100±200
four	Average opening speed	m/s	1.1±0.2
five	Average closing speed	m/s	0.6±0.2
six	Contact closing bounce time	ms	≤2
seven	Contact rebound amplitude	mm	≤2
eight	Contact closing and opening at different periods	ms	≤1

TD-24/2000-31.5 (310mm) solid sealed pole arc extinguishing chamber

TD-24/2000-31.5(310mm) Solid sealed pole arc extinguishing chamber（schematic diagram）